From 56a79e1f8c947720b744282751aa2ee382f338a1 Mon Sep 17 00:00:00 2001
From: "Daniele E. Domenichelli" <daniele.domenichelli@iit.it>
Date: Wed, 14 Aug 2013 10:46:42 +0200
Subject: FindGTK2: Set INTERFACE_COMPILE_DEFINITIONS target property only if
 not empty

---
 Modules/FindGTK2.cmake | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Modules/FindGTK2.cmake b/Modules/FindGTK2.cmake
index 3f912bb..fe37165 100644
--- a/Modules/FindGTK2.cmake
+++ b/Modules/FindGTK2.cmake
@@ -418,7 +418,9 @@ function(_GTK2_ADJUST_LIB_VARS _var)
             set_property(TARGET GTK2::${_basename} APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${GTK2_${_var}CONFIG_INCLUDE_DIR}")
         endif()
 
-        set_property(TARGET GTK2::${_basename} PROPERTY INTERFACE_COMPILE_DEFINITIONS "${GTK2_DEFINITIONS}")
+        if(GTK2_DEFINITIONS)
+            set_property(TARGET GTK2::${_basename} PROPERTY INTERFACE_COMPILE_DEFINITIONS "${GTK2_DEFINITIONS}")
+        endif()
 
         if(GTK2_USE_IMPORTED_TARGETS)
             set(GTK2_${_var}_LIBRARY GTK2::${_basename} PARENT_SCOPE)
-- 
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